//
//  CZVistorView.swift
//  CY--weiBo
//
//  Created by mac on 15/11/23.
//  Copyright © 2015年 itcast. All rights reserved.
//

import UIKit

protocol CZVistorViewDelegate: NSObjectProtocol{

    //默认是必须实现的方法
    func vistorViewLoginClick()
    func vistorViewRegisterClick()

}

class CZVistorView: UIView {
    
    //代理
    weak var delegate: CZVistorViewDelegate?
    
    //swift默认所有的view都能通过xib/stroyboard 加载
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override init(frame: CGRect) {
        //super是要在设置普通的存储型的属性的下面
        super.init(frame: frame)
        
        backgroundColor = UIColor(white: 237/255.0, alpha: 1)
        prepareUI()
    }
    
    //中间的两个按钮的点击事件
    func loginClick() {
    
        //通知代理
        delegate?.vistorViewLoginClick()
    }
    func registerClick() {
    
        delegate?.vistorViewRegisterClick()
    }
    
    // MARK: - 转轮动画
    func rotationAnimation() {
    
        //核心动画
        let  rotation = CABasicAnimation(keyPath: "transform.rotation")
    
        //设置动画参数
        //角度
        rotation.toValue = 2 * M_PI
        //转一圈的时间
        rotation.duration = 20
        //重复次数
        rotation.repeatCount = MAXFLOAT
        //当不可见时不要移除动画
        rotation.removedOnCompletion = false
        //开始核心动画
        iconView.layer.addAnimation(rotation, forKey: "rotation")
        
    }
    // MARK: - 核心动画的暂停和开始
    func pauseAnimation() {
    
        //记录暂停时间
        let  pauseTime = iconView.layer.convertTime(CACurrentMediaTime(), fromLayer: nil)
  
        //设置动画速度为0
        iconView.layer.speed = 0
        //设置动画偏移时间
        iconView.layer.timeOffset = pauseTime
        
    }
//   恢复旋转
    func resumeAnmation() {
    // 获取暂停时间
    
        let pauseTime = iconView.layer.timeOffset
        //设置动画速度为1
        iconView.layer.speed = 1
        iconView.layer.timeOffset = 0
        iconView.layer.beginTime = 0
        let timeSincePause = iconView.layer.convertTime(CACurrentMediaTime(), fromLayer: nil) - pauseTime
    
        iconView.layer.beginTime = timeSincePause
    }

    // MARK: - 设置访客视图
    func setupVistorView(imageName: String,message: String){
    
    //替换转轮的图片
        iconView.image = UIImage(named: imageName)
    //文字
        messageLabel.text = message
    
        //隐藏房子
        homeView.hidden = true
        
        //隐藏遮罩图片
        coverView.hidden = true
        
    }
    /**
    *  准备UI
    */
    private func prepareUI() {
        
    
        //1.添加子控件
        addSubview(iconView)
        addSubview(coverView)
        addSubview(homeView)
        addSubview(messageLabel)
        addSubview(registerButton)
        addSubview(loginButton)
        
       //2.添加约束 autolayout
       //注意: 要设置约束的view有父控件后才能设置它的自动布局
       //关闭Autoresizing,不让它干扰autolayout的约束
        iconView.translatesAutoresizingMaskIntoConstraints = false
        coverView.translatesAutoresizingMaskIntoConstraints = false
        homeView.translatesAutoresizingMaskIntoConstraints = false
        
        messageLabel.translatesAutoresizingMaskIntoConstraints = false
        registerButton.translatesAutoresizingMaskIntoConstraints = false
        
        loginButton.translatesAutoresizingMaskIntoConstraints = false
        
        //约束
       addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
       addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterY, multiplier: 1, constant: -40))
        //遮罩图片
        addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Right, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Right, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Left, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Left, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Top, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Bottom, relatedBy: NSLayoutRelation.Equal, toItem: registerButton, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))

        //小房子
        addConstraint(NSLayoutConstraint(item: homeView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: homeView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterY, multiplier: 1, constant: 0))
        //消息 label
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        // 宽度约束
        // 当 toItem = nil时attribute必须设置为NSLayoutAttribute.NotAnAttribute
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 226))
        
        // 注册按钮
        // 左边和label对齐
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Left, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Left, multiplier: 1, constant: 0))
        
        // 顶部距离label底部16
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        
        // 宽
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 90))
        
        // 高
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 35))
        
        // 登录按钮
        // 右边和label对齐
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Right, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Right, multiplier: 1, constant: 0))
        
        // 顶部距离label底部16
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        
        // 宽
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 90))
        
        // 高
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 35))
        
        
    }
    
    // MARK: - 懒加载
    /// 转轮
    private lazy var iconView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
    
    /// 遮罩图片
    private lazy var coverView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    
    /// 小房子
    private lazy var homeView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    
    /// 消息label
    private lazy var messageLabel: UILabel = {
        let label = UILabel()
        
        label.textColor = UIColor.darkGrayColor()
        
        // 设置label文本了
        label.text = "关注一些人,看看有神马惊喜"
        label.numberOfLines = 0
        
        // 根据文本来适应大小
        label.sizeToFit()
        
        return label
        }()
    
    /// 注册按钮
    private lazy var registerButton: UIButton = {
        let button = UIButton()
        
        // 设置按钮的背景图片
        button.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        
        // 设置文本
        button.setTitle("注册", forState: UIControlState.Normal)
        
        // 设置文本颜色
        button.setTitleColor(UIColor.orangeColor(), forState: UIControlState.Normal)
        
        // 设置文本大小
        button.titleLabel?.font = UIFont.systemFontOfSize(14)
        
        // 根据内容适应大小
        button.sizeToFit()
        
        return button
        }()
    
    /// 注册按钮
    private lazy var loginButton: UIButton = {
        let button = UIButton()
        
        // 设置按钮的背景图片
        button.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        
        button.setTitle("登录", forState: UIControlState.Normal)
        
        // 设置文本颜色
        button.setTitleColor(UIColor.blackColor(), forState: UIControlState.Normal)
        
        // 设置文本大小
        button.titleLabel?.font = UIFont.systemFontOfSize(14)
        
        // 根据内容适应大小
        button.sizeToFit()
        
        return button
        }()

    
}
